
Marion township
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 25.35
- State:
- Pennsylvania
Marion township is located in Franklin County, Pennsylvania. Marion township has a 2025 population of 1,144. Marion township is currently growing at a rate of 0.53% annually but its population has decreased by -0.61% since the most recent census, which recorded a population of 1,151 in 2020.
The average household income in Marion township is $115,364 with a poverty rate of 4.92%. The median age in Marion township is 46.5 years: 46.8 years for males, and 44.5 years for females.